diff --git a/modules/authcache_ajax/authcache_ajax.js b/modules/authcache_ajax/authcache_ajax.js
index 49f0414..7c57c98 100644
--- a/modules/authcache_ajax/authcache_ajax.js
+++ b/modules/authcache_ajax/authcache_ajax.js
@@ -1,12 +1,12 @@
 (function (Drupal, $) {
   "use strict";
 
-  var cache = {};
+  Drupal.settings.authcacheP13nUrlCache = {};
   var pending = {};
 
   function authcacheGet(url, callback, type) {
-    if (cache.hasOwnProperty(url)) {
-      callback(cache[url]);
+    if (Drupal.settings.authcacheP13nUrlCache.hasOwnProperty(url)) {
+      callback(Drupal.settings.authcacheP13nUrlCache[url]);
     }
     else if (pending.hasOwnProperty(url)) {
       pending[url].push(callback);
@@ -23,7 +23,7 @@
           xhr.setRequestHeader('X-Authcache','1');
         },
         success: function(data, status, xhr) {
-          cache[url] = data;
+          Drupal.settings.authcacheP13nUrlCache[url] = data;
           $.each(pending[url], function() {
             this(data);
           });